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<FONT color="green">001</FONT>    package maze;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.awt.Desktop;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.awt.image.BufferedImage;<a name="line.4"></a>
<FONT color="green">005</FONT>    <a name="line.5"></a>
<FONT color="green">006</FONT>    import javax.swing.ImageIcon;<a name="line.6"></a>
<FONT color="green">007</FONT>    import javax.swing.JOptionPane;<a name="line.7"></a>
<FONT color="green">008</FONT>    import javax.swing.SwingUtilities;<a name="line.8"></a>
<FONT color="green">009</FONT>    <a name="line.9"></a>
<FONT color="green">010</FONT>    import maze.gui.PrimaryFrame;<a name="line.10"></a>
<FONT color="green">011</FONT>    <a name="line.11"></a>
<FONT color="green">012</FONT>    /**<a name="line.12"></a>
<FONT color="green">013</FONT>     * The main starting point of the application.<a name="line.13"></a>
<FONT color="green">014</FONT>     */<a name="line.14"></a>
<FONT color="green">015</FONT>    public final class Main<a name="line.15"></a>
<FONT color="green">016</FONT>    {<a name="line.16"></a>
<FONT color="green">017</FONT>       /**<a name="line.17"></a>
<FONT color="green">018</FONT>        * Holds a reference to the instance of the primary frame.<a name="line.18"></a>
<FONT color="green">019</FONT>        */<a name="line.19"></a>
<FONT color="green">020</FONT>       private static PrimaryFrame primaryFrame;<a name="line.20"></a>
<FONT color="green">021</FONT>    <a name="line.21"></a>
<FONT color="green">022</FONT>       /**<a name="line.22"></a>
<FONT color="green">023</FONT>        * A global way to get an instance of the applications primary frame.<a name="line.23"></a>
<FONT color="green">024</FONT>        */<a name="line.24"></a>
<FONT color="green">025</FONT>       public static PrimaryFrame getPrimaryFrameInstance()<a name="line.25"></a>
<FONT color="green">026</FONT>       {<a name="line.26"></a>
<FONT color="green">027</FONT>          return primaryFrame;<a name="line.27"></a>
<FONT color="green">028</FONT>       }<a name="line.28"></a>
<FONT color="green">029</FONT>    <a name="line.29"></a>
<FONT color="green">030</FONT>       /**<a name="line.30"></a>
<FONT color="green">031</FONT>        * Classic main entry point function.<a name="line.31"></a>
<FONT color="green">032</FONT>        */<a name="line.32"></a>
<FONT color="green">033</FONT>       public static void main(String[] args)<a name="line.33"></a>
<FONT color="green">034</FONT>       {<a name="line.34"></a>
<FONT color="green">035</FONT>          //Set the GUI to be constructed on the Swing Event Dispatch Thread.<a name="line.35"></a>
<FONT color="green">036</FONT>          SwingUtilities.invokeLater(new Runnable()<a name="line.36"></a>
<FONT color="green">037</FONT>          {<a name="line.37"></a>
<FONT color="green">038</FONT>             @Override<a name="line.38"></a>
<FONT color="green">039</FONT>             public void run()<a name="line.39"></a>
<FONT color="green">040</FONT>             {<a name="line.40"></a>
<FONT color="green">041</FONT>                primaryFrame = new PrimaryFrame();<a name="line.41"></a>
<FONT color="green">042</FONT>                primaryFrame.init();<a name="line.42"></a>
<FONT color="green">043</FONT>                primaryFrame.setVisible(true);<a name="line.43"></a>
<FONT color="green">044</FONT>             }<a name="line.44"></a>
<FONT color="green">045</FONT>          });<a name="line.45"></a>
<FONT color="green">046</FONT>       }<a name="line.46"></a>
<FONT color="green">047</FONT>    <a name="line.47"></a>
<FONT color="green">048</FONT>       /**<a name="line.48"></a>
<FONT color="green">049</FONT>        * Utility method used to get image resources for button images while<a name="line.49"></a>
<FONT color="green">050</FONT>        * handling failures gracefully.<a name="line.50"></a>
<FONT color="green">051</FONT>        * @param imagePath The path to the image relative to the location of this<a name="line.51"></a>
<FONT color="green">052</FONT>        *           class. So starting in the 'maze' package.<a name="line.52"></a>
<FONT color="green">053</FONT>        */<a name="line.53"></a>
<FONT color="green">054</FONT>       public static ImageIcon getImageResource(String imagePath)<a name="line.54"></a>
<FONT color="green">055</FONT>       {<a name="line.55"></a>
<FONT color="green">056</FONT>          try<a name="line.56"></a>
<FONT color="green">057</FONT>          {<a name="line.57"></a>
<FONT color="green">058</FONT>             return new ImageIcon(Main.class.getResource(imagePath));<a name="line.58"></a>
<FONT color="green">059</FONT>          }<a name="line.59"></a>
<FONT color="green">060</FONT>          catch (Exception e)<a name="line.60"></a>
<FONT color="green">061</FONT>          {<a name="line.61"></a>
<FONT color="green">062</FONT>             e.printStackTrace();<a name="line.62"></a>
<FONT color="green">063</FONT>             JOptionPane.showMessageDialog(getPrimaryFrameInstance(),<a name="line.63"></a>
<FONT color="green">064</FONT>                                           "Cannot Load Image: " + imagePath + "\nException: " + e,<a name="line.64"></a>
<FONT color="green">065</FONT>                                           "Error Loading Resource",<a name="line.65"></a>
<FONT color="green">066</FONT>                                           JOptionPane.ERROR_MESSAGE);<a name="line.66"></a>
<FONT color="green">067</FONT>             //Return a blank image on load error.<a name="line.67"></a>
<FONT color="green">068</FONT>             return new ImageIcon(new BufferedImage(10, 10, BufferedImage.TYPE_INT_RGB));<a name="line.68"></a>
<FONT color="green">069</FONT>          }<a name="line.69"></a>
<FONT color="green">070</FONT>       }<a name="line.70"></a>
<FONT color="green">071</FONT>    <a name="line.71"></a>
<FONT color="green">072</FONT>       /**<a name="line.72"></a>
<FONT color="green">073</FONT>        * Opens a URI in the systems default browser. Operation may not be<a name="line.73"></a>
<FONT color="green">074</FONT>        * supported. Fails silently.<a name="line.74"></a>
<FONT color="green">075</FONT>        * @param url The web URI to open.<a name="line.75"></a>
<FONT color="green">076</FONT>        */<a name="line.76"></a>
<FONT color="green">077</FONT>       public static void launchInBrowser(String url)<a name="line.77"></a>
<FONT color="green">078</FONT>       {<a name="line.78"></a>
<FONT color="green">079</FONT>          if (url != null &amp;&amp; url.isEmpty() == false)<a name="line.79"></a>
<FONT color="green">080</FONT>          {<a name="line.80"></a>
<FONT color="green">081</FONT>             if (Desktop.isDesktopSupported())<a name="line.81"></a>
<FONT color="green">082</FONT>             {<a name="line.82"></a>
<FONT color="green">083</FONT>                final Desktop desktop = Desktop.getDesktop();<a name="line.83"></a>
<FONT color="green">084</FONT>                if (desktop.isSupported(Desktop.Action.BROWSE))<a name="line.84"></a>
<FONT color="green">085</FONT>                {<a name="line.85"></a>
<FONT color="green">086</FONT>                   try<a name="line.86"></a>
<FONT color="green">087</FONT>                   {<a name="line.87"></a>
<FONT color="green">088</FONT>                      desktop.browse(new java.net.URI(url));<a name="line.88"></a>
<FONT color="green">089</FONT>                   }<a name="line.89"></a>
<FONT color="green">090</FONT>                   catch (Exception e)<a name="line.90"></a>
<FONT color="green">091</FONT>                   {<a name="line.91"></a>
<FONT color="green">092</FONT>                      e.printStackTrace();<a name="line.92"></a>
<FONT color="green">093</FONT>                   }<a name="line.93"></a>
<FONT color="green">094</FONT>                }<a name="line.94"></a>
<FONT color="green">095</FONT>             }<a name="line.95"></a>
<FONT color="green">096</FONT>          }<a name="line.96"></a>
<FONT color="green">097</FONT>       }<a name="line.97"></a>
<FONT color="green">098</FONT>    <a name="line.98"></a>
<FONT color="green">099</FONT>    }<a name="line.99"></a>




























































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